after 38 days and 10 witnesses, jodi arias' defense rested its case tuesday. the prosecution getting its turn again calling an expert witness who punched holes in arias' testimony and ryan owens is in phoenix with that. good morning, ryan. >> reporter: good morning, amy. the prosecutor has now started what's called his rebuttal case and he wasted no time attacking jodi arias and those expert witnesses who tried to explain away her lies. jodi arias, master manipulator and serial liar who refuses to take responsibility for anything. now there's a portrait of the admitted killer the jury hasn't seen in a while. and it's exactly the one prosecution psychologist dr. janeen demarte came to court to paint. >> people with this personality profile tend to experience a lot of aggressiveness, hostility, defensiveness. >> reporter: demarte spent a dozen hours with her in jail and diagnosed her with a personality disorder. she knows exactly what happened when she shot and stabbed her ex, travis alexander but is incapable of taking blame. >> they tend to externalize blame.